Table 1.
Impact of replacement of lids on mosquito breeding
| Pre-Intervention Assessment (May/2018) | Intervention Phasea (May/2018) | Post-intervention Assessment (June/2019) | Follow-up survey (May/2019) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intervention village | Non-Intervention (control village) | Intervention village | Intervention village | Non-Intervention village | Intervention village | Non-Intervention village | |||||||
| Number of tankas checked | No. positive with larvae (% positivity) | Number of tankas checked | No. with larval breeding (% positivity) | Lid Replaced | Replacement (%) | Number checked | Positive (% positivity) | Number checked | Positive (% positivity) | Number checked | Positive (% positivity) | Number checked | Positive (% positivity) |
| 143 | 28 (19.6) | 37 | 8 (21.6) | 129 | 90.2 | 200 | 0 (%) | 31 | 2 (6.5) | 200 | 4 (2%) | 27 | 9 (33.3) |
| 7 | 2 (28.6) | 0 | 0 (0.0) | 5 | 71.4 | 0 | 0 | 0 | 0 | ||||
| 4 | 3 (75.0) | 0 | 0 (0.0) | 4 | 100.0 | 0 | 0 | 0 | 0 | ||||
| 55 | 6 (10.9) | 19 | 2 (10.5) | 14 | 25.5 | 16 | 1 (6.3) | 12 | 1 (8.3) | ||||
| 48 | 16 (33.3) | 13 | 8 (61.5) | 48 | 100.0 | 10 | 2 (20) | 7 | 4 (57.1) | ||||
| 5 | 3 (60.0) | 1 | 1 (100.0) | 0 | 0.0 | 5 | 1 (20) | 2 | 2 (100) | ||||
| 262 | 58 (22.1) | 70 | 19 (27.1) | 200 | 76.3 | 200 | 0 (0%) | 62 | 6 (9.7) | 200 | 4 (2%) | 48 | 16 (33.3) |
aNo replacement of lids in non-intervention village
bFollow-up was done only for tankas with replaced lids in Ajasar village